Index: Source/core/html/HTMLMediaElement.cpp |
diff --git a/Source/core/html/HTMLMediaElement.cpp b/Source/core/html/HTMLMediaElement.cpp |
index e905c8905d3cdb9f0a85e36d437d9eaacd134618..29a67a7b11065fab209b7ad7b989329a26b8ae6c 100644 |
--- a/Source/core/html/HTMLMediaElement.cpp |
+++ b/Source/core/html/HTMLMediaElement.cpp |
@@ -3287,7 +3287,8 @@ void HTMLMediaElement::automaticTrackSelectionForUpdatedUserPreference() |
// If a track is set to 'showing' post performing automatic track selection, |
// set closed captions state to visible to update the CC button and display the track. |
- m_closedCaptionsVisible = m_textTracks->hasShowingTracks(); |
+ if (m_textTracks) |
+ m_closedCaptionsVisible = m_textTracks->hasShowingTracks(); |
updateTextTrackDisplay(); |
} |